I know Harry Nile is still covered by copy rights as I think it is still being produced. So maybe the religious one you talk about is too. Imagination Theater was played on satellite radio. It may still be, I do not know as do not have that service anymore.

"Since 1950, Pacific Garden Mission has produced this unique series, making "UNSHACKLED!" the longest-running radio drama in history. Still produced in the style of the "Golden Age" of radio, every element is live at the time of the production — the original music, the creative sound effects and, of course, the dynamic performances of talented professional actors."